Solubility, Conservation of Mass, Properties of Matter

The Law of Conservation of Mass states that the mass of the reactants must be (a)   to the mass of the products.

Tags

NGSS.MS-PS1-5

What does insoluble mean?

• Will dissolve in

• Will not dissolve in

• It does not have to do with dissolving

• It is the same as soluble

Tags

NGSS.MS-PS1-2

Is oil soluble or insoluble in water?

• Insoluble

• Soluble

• Neither

• Yes

Most substances have a (a)   solubility when the temperature is higher.

Tags

NGSS.MS-PS1-4

What is a solute?

• A homogeneous mixture of two or more substances

• A substance that dissolves another substance

• The substance that dissolves

• How many grams of a substance that will dissolve

What is the job of a solvent in a solution?

• It is the substance in which the solute dissolves

• It increases the solubility of a substance

• It is the substance that is dissolved

• It decreases the reaction rate

What is meant by the solubility of a substance?

• The ability to dissolve in another substance

• The amount of the substance that can be dissolved in a solvent

• The speed at which a substance dissolves

• The temperature at which a substance dissolves

What happens when a solution becomes saturated?

• No more solute can dissolve at a given temperature

• The solution can dissolve more solute without increasing the temperature

• The solute begins to precipitate out of the solution

• The solvent evaporates leaving the solute behind

Which of the following is the sign of only a chemical change?

• Change in state of matter

• Change in color

• Change in mass

• Formation of a precipitate

Tags

NGSS.MS-PS1-2

Which substance possesses the highest solubility at 30 degrees Celsius?

• NaNO3

• KClO3

• KNO3

• CaCl2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4